A piece of ice, with a stone embedded inside it, is
floating in water in a vessel. When the ice melts
completely, then the level of water in the vessel
A. Remains unchanged
B.Rises
C.Falls
D. Falls in the beginning and rises to the same level
later.
Answers
The level of water in the vessel is rises up.
Explanation:
1. In case of floating ice, when ice melt there are no change in level of liquid.
2. Water in state of solid is more volume compare to volume of water in liquid state.
3. Part of floating ice which is outside from liquid, after melting into liquid, it occupy the volume of ice which are inside in liquid.
4. Means simply total ice converted into water without change in height of liquid.
5. But when stone sink in water, it displace water.
6. Displaced volume of water is equal to volume of stone.
7. Displaced volume of water converted into change in height of water level.
8. So water level will increase.
The level of water in the vessel is ‘Rises up’.
Option: B
Explanation:
- The volume of ‘ice is less’ than the volume of water. This is because the volume of water is maximum at four degree Celsius.
- Also since the density of ice is more than the ‘density of water’, the stone sinks and hence the level of water also increase.
- Also the ice does not remain completely submerged in water. Hence as it gets converted to water the entire volume of water is considered.
- This in turns increases the level of the water. So the correct answer is 'rises'.
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